Mark Hasenauer, MD

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Review by Anonymous on April 29, 2026 -

MedStar Health Orthopedic Hip and Knee Center at MedStar Union Memorial Hospital - 3333 North Calvert Street Ste. 101

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr Hasenauer is Great! Good pers... ”

Dr Hasenauer is Great! Good personality and always takes plenty of time to listen to my concerns and then explain things to me.

Verified Patient

“Dr Hasenauer is Great! Good pers...”

Dr Hasenauer is Great! Good personality and always takes plenty of time to listen to my concerns and then explain things to me.

Anonymous 04/29/2026

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Review by Anonymous on January 31, 2026 -

MedStar Health Orthopedic Hip and Knee Center at MedStar Union Memorial Hospital - 3333 North Calvert Street Ste. 101

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr. Hasenauer is a Very Good &am... ”

Dr. Hasenauer is a Very Good & Honest Man. He speaks to You in detail & makes sure You understand the discussion every time. I would Highly Recommend him to others!

Verified Patient

“Dr. Hasenauer is a Very Good &am...”

Dr. Hasenauer is a Very Good & Honest Man. He speaks to You in detail & makes sure You understand the discussion every time. I would Highly Recommend him to others!

Anonymous 01/31/2026

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Review by Anonymous on November 01, 2025 -

MedStar Health Orthopedic Hip and Knee Center at MedStar Union Memorial Hospital - 3333 North Calvert Street Ste. 101

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ This doctor was so good. I woul... ”

This doctor was so good. I would recommend him to anyone needing this type of care.

Verified Patient

“This doctor was so good. I woul...”

This doctor was so good. I would recommend him to anyone needing this type of care.

Anonymous 11/01/2025

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Review by Anonymous on September 03, 2025 -

MedStar Health Orthopedic Hip and Knee Center at MedStar Union Memorial Hospital - 3333 North Calvert Street Ste. 101

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr. Hasenauer is the most caring... ”

Dr. Hasenauer is the most caring and down to earth get on got level to ensure you understand evening doctors I have ever had. He's caring kind reassuring and he remembered me from 18 months ago and which knee he did at that time.

Verified Patient

“Dr. Hasenauer is the most caring...”

Anonymous 09/03/2025

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Review by Anonymous on July 04, 2025 -

MedStar Health Orthopedic Hip and Knee Center at MedStar Union Memorial Hospital - 3333 North Calvert Street Ste. 101

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr. Hasenauer is always clear, t... ”

Dr. Hasenauer is always clear, thoughtful and understanding. His reassuring manner is very comforting.

Verified Patient

“Dr. Hasenauer is always clear, t...”

Dr. Hasenauer is always clear, thoughtful and understanding. His reassuring manner is very comforting.

Anonymous 07/04/2025

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Review by Anonymous on April 14, 2026 -

MedStar Health Orthopedic Hip and Knee Center at MedStar Union Memorial Hospital - 3333 North Calvert Street Ste. 101

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ We looked over X-rays together. ... ”

We looked over X-rays together. He respected my expertise as a health professional.

Verified Patient

“We looked over X-rays together. ...”

We looked over X-rays together.
He respected my expertise as a health professional.

Anonymous 04/14/2026

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Review by Anonymous on November 21, 2025 -

MedStar Health Orthopedic Hip and Knee Center at MedStar Union Memorial Hospital - 3333 North Calvert Street Ste. 101

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Fine... ”

Fine

Verified Patient

“Fine...”

Fine

Anonymous 11/21/2025

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Review by Anonymous on September 26, 2025 -

MedStar Health Orthopedic Hip and Knee Center at MedStar Union Memorial Hospital - 3333 North Calvert Street Ste. 101

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr Hasenauer is the absolute bes... ”

Dr Hasenauer is the absolute best. He rocks.

Verified Patient

“Dr Hasenauer is the absolute bes...”

Dr Hasenauer is the absolute best. He rocks.

Anonymous 09/26/2025

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Review by Anonymous on August 19, 2025 -

MedStar Health Orthopedic Hip and Knee Center at MedStar Union Memorial Hospital - 3333 North Calvert Street Ste. 101

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Saw Dr. Mark Hasenauer for the f... ”

Saw Dr. Mark Hasenauer for the first time. He was kind and thorough. I'm happy I found a new knee doctor.

Verified Patient

“Saw Dr. Mark Hasenauer for the f...”

Saw Dr. Mark Hasenauer for the first time. He was kind and thorough. I'm happy I found a new knee doctor.

Anonymous 08/19/2025

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Review by Anonymous on July 03, 2025 -

MedStar Health Orthopedic Hip and Knee Center at MedStar Union Memorial Hospital - 3333 North Calvert Street Ste. 101

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr. Mark Hasenauer is the best. ... ”

Dr. Mark Hasenauer is the best. Very comforting and professional.

Verified Patient

“Dr. Mark Hasenauer is the best. ...”

Dr. Mark Hasenauer is the best. Very comforting and professional.

Anonymous 07/03/2025

Orthopaedic Surgeon - General

Biography

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Summary

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Specialties

Languages Spoken

Medical Specialties

Payment Options

Reviews

Office & Staff Evaluation Not rated

Provider Evaluation

Locations

Affiliated Practices

MedStar Health Orthopedic Hip and Knee Center at MedStar Union Memorial Hospital

MedStar Health Orthopedics at Annapolis Bestgate Road

MedStar Health Orthopedics at MedStar Franklin Square Medical Center Surgery Center

MedStar Health Orthopedics at Timonium

Practice Colleagues

Jennie Dulin, PA - Orthopaedic Surgeon

Frank Dawson, MD - Family Medicine Physician

Morvarid Yousefi, MD - Physical Medicine & Rehabilitation Physician

Gregory Guyton, MD - Orthopaedic Surgeon

James Dreese, MD - Orthopaedic Surgeon

Kimberly Horning, FNPBC, MSN - Nurse Practitioner

Christopher Looze, MD - Orthopaedic Surgeon

John Whittaker, PA-C - Orthopaedic Surgeon, Physician Assistant

Judith Callen, PA - Physician Assistant

David Gold, MD - Orthopaedic Surgeon

Procedures & Services

Procedures & Treatments Offered

Commonly Prescribed Medications

Accepted Insurance

Accepted Insurance